import {router} from '../router'
import {store} from '../store'
import {ElMessage} from 'element-plus'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import {getToken} from '/src/utils/auth'

NProgress.configure({showSpinner: false})

const whiteList = ['/login', '/register']

router.beforeEach((to, from, next) => {
    NProgress.start()
    if (getToken()) {
        /* has token*/
        if (to.path === '/login' || to.path === '/' || to.path === '') {
            next({path: '/index'})
            NProgress.done()
        } else {
            if (store.getters.roles.length === 0) {
                // 判断当前用户是否已拉取完user_info信息
                store.dispatch('GetInfo').then(() => {
                    store.dispatch('GenerateRoutes').then(accessRoutes => {
                        //根据roles权限生成可访问的路由表
                        accessRoutes.forEach((accessRoute) => {
                            router.addRoute(accessRoute) // 动态添加可访问路由表
                        })
                        next({...to, replace: true}) // hack方法 确保addRoutes已完成
                    })
                }).catch(err => {
                    store.dispatch('LogOut').then(() => {
                        ElMessage.error(err.message)
                        next({path: '/index'})
                    })
                })
            } else {
                next()
            }
        }
    } else {
        //判断是不是携带token跳转
        if (to.fullPath.indexOf("/login/") != -1) {
            const fullPath = to.fullPath
            const token = fullPath.substring(fullPath.lastIndexOf("/") + 1)
            //校验token有效性
            store.dispatch("CheckToken", token).then(() => {
                next({path: '/index'})
            }).catch((error) => {
                ElMessage.error(error.message)
            });
        }
        // 没有token
        if (whiteList.indexOf(to.path) !== -1) {
            // 在免登录白名单，直接进入
            next()
        } else {
            next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
            NProgress.done()
        }
    }
})

router.afterEach(() => {
    NProgress.done()
})
